Optics and optical instruments. Focimeters - General purpose instruments Ingestion-build-47182 Details of sampling

Details of sampling

BS EN 15221-6:2011 Facility management

This part of BS 8541 builds on Part 1 and complements Parts 2 to 4

Cassegrain reflector antennas

BS EN 60735 describes the measuring methods for evaluation of the properties of magnetic tapes used for video recorders

Optics and optical instruments. Focimeters - General purpose instruments Ingestion-build-47182 Details of sampling1 Scope This part of ISO 8598 specifies requirements and test methods for general purpose focimeters designed for the measurement of vertex powers, cylinder axis, prismatic power and prism base setting within a restricted area at a specified location of a lens. This excludes instruments that can only measure the whole lens at once. It is applicable to instruments typically intended for use by the ophthalmic community, with the capability to